With the analysis among 124,996 patents, we discovered top 486 key players by total patent application. China Petroleum & Chemical Corp., Hitachi Plant Technologies Ltd., TOSHIBA Corp. are dominant in this area. They take 0.88% of the total patent filing.
Beijing Shi, China
Patent: 625
Tokyo-to, Japan
Patent: 243
Tokyo-to, Japan
Patent: 234
Hubei Sheng, China
Patent: 234
Osaka-fu, Japan
Patent: 225
Beijing Shi, China
Patent: 218
Beijing Shi, China
Patent: 211
Tokyo-to, Japan
Patent: 198
California, United States
Patent: 189
Beijing Shi, China
Patent: 186
With the analysis among 53 patents, we discovered top 30 start-ups by total patent application. EPUR SA, iReadyIT (Beijing) Co. Ltd., Aisin KK are active in this area.
Beijing Shi, China
Patent: 5
Zhejiang Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Harjumaa, Estonia
Patent: 3
Sichuan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
EDINBURGH, United Kingdom
Patent: 2
With the analysis among related 100,129 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Beijing University of Technology, China Petroleum & Chemical Corp., Beijing Enterprises Water Group (China) Investment Ltd. take 0.84% of patent filing during this period.
Beijing Shi, China
Patent: 413
Beijing Shi, China
Patent: 227
Beijing Shi, China
Patent: 197
Shanghai Shi, China
Patent: 141
Beijing Shi, China
Patent: 107
Jiangsu Sheng, China
Patent: 98
Jiangsu Sheng, China
Patent: 94
Beijing Shi, China
Patent: 93
Shaanxi Sheng, China
Patent: 90
Zhejiang Sheng, China
Patent: 86
With the analysis among related 100,129 patents in last 5 years, we discover 112 new entrants. Xi'an Zhongwei Environmental Technology Co., Ltd., China Construction Water Environmental Protection Co., Ltd., Kejin International (Xi'an) Environmental Protection Technology Co., Ltd. are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 90
Beijing Shi, China
Patent: 75
Shaanxi Sheng, China
Patent: 61
Anhui Sheng, China
Patent: 53
Shaanxi Sheng, China
Patent: 48
Jiangsu Sheng, China
Patent: 42
Hunan Sheng, China
Patent: 41
Beijing Shi, China
Patent: 39
Beijing Shi, China
Patent: 39
Anhui Sheng, China
Patent: 38
With the analysis among 20,375 patents, we discovered top 347 universities and scientific research institutions by total patent application. Beijing University of Technology, Tongji University, Harbin Institute of Technology are dominant in this area. They take 7.19% of the total patent filing.
Beijing Shi, China
Patent: 790
Shanghai Shi, China
Patent: 354
Heilongjiang Sheng, China
Patent: 299
Beijing Shi, China
Patent: 274
Jiangsu Sheng, China
Patent: 242
Chongqing Shi, China
Patent: 227
Jiangsu Sheng, China
Patent: 209
Zhejiang Sheng, China
Patent: 205
Jiangsu Sheng, China
Patent: 203
Guangdong Sheng, China
Patent: 189